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Monthly Historical Averages
Port Isabel, TX
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February
Average Temperature
High
21°
Feels 21
Low
15°
Feels 14
Average Precipitation
3 Days
Rain amount
21.3mm
Snow amount
0cm
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Daily Historical Averages
February 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
17°
23
18°
24
22°
25
24°
26
27°
27
22°
28
24°
Forecast
Sunday, February 22, 2026
Day
17°
Feels 16
Wind
42 km/h N
Gust
63 km/h
Humidity
54%
P.O.P
20%
Night
16°
Feels 15
Wind
29 km/h NE
Gust
43 km/h
Humidity
55%
P.O.P
20%
Historical Averages
Feb 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.